*In all cases we recommend to cover the firestar/ring with a layer of cinders/lava rock, a minimum of 1" in diameter. Glass should be used as a topping over lava rock/cinders approximately 1" in depth. We never recommend using all glass media.4

*In all cases we recommend to cover the firestar/ring with a layer of cinders/lava rock, a minimum of 1" in diameter. Glass should be used as a topping over lava rock/cinders approximately 1" in depth. We never recommend using all glass media.

*In all cases we recommend to cover the firestar/ring with a layer of cinders/lava rock, a minimum of 1" in diameter. Glass should be used as a topping over lava rock/cinders approximately 1" in depth. We never recommend using all glass media.